Published in International Conference on Software Engineering (ICSE) 2026, 2026
Recommended citation: Jie Zhu, Chihao Shen, Ziyang Li, Jiahao Yu, Yizheng Chen, Kexin Pei. (2026). "Locus: Agentic Predicate Reasoning for Directed Fuzzing." ICSE.
Published in Conference on Language Modeling (COLM) 2026, 2026
Recommended citation: Haozheng Luo*, Jiahao Yu*, Wenxin Zhang, Jialong Li, Chenghao Qiu, Yimin Wang, Eric Hanchen Jiang, Jerry Yao-Chieh Hu, Yan Chen, Binghui Wang, Xinyu Xing, Han Liu. (2026). "Decoupled Alignment for Robust Plug-and-Play Adaptation." COLM.
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Published in International Conference on Machine Learning (ICML) 2026, 2026
Recommended citation: Haozheng Luo, Yimin Wang, Jiahao Yu, Binhui Wang, Yan Chen. (2026). "Contrastive Reasoning Alignment: Reinforcement Learning from Hidden Representations." ICML.
Published in Neural Information Processing Systems (NeurIPS) 2025, 2025
Featured in MIT Technology Review China.
Recommended citation: Jiahao Yu, Zelei Cheng, Xian Wu, Xinyu Xing. (2025). "GPO: Learning from Critical Steps to Improve LLM Reasoning." NeurIPS.
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Published in Neural Information Processing Systems (NeurIPS) 2025, 2025
Recommended citation: Jiahao Yu, Xian Wu, Hao Liu, Wenbo Guo, Xinyu Xing. (2025). "BlockScan: Detecting Anomalies in Blockchain Transactions." NeurIPS.
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Published in USENIX Security Symposium 2025, 2025
USENIX Security 2025 Long Talk. CSAW 2025 Technical Impact Runner-up. Foundation of the AIxCC Team 42-b3yond-bug solution.
Recommended citation: Zheng Yu, Ziyi Guo, Yuhang Wu, Jiahao Yu, Meng Xu, Dongliang Mu, Yan Chen, Xinyu Xing. (2025). "PatchAgent: A Practical Program Repair Agent Mimicking Human Expertise." USENIX Security.
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Published in USENIX Security Symposium 2025, 2025
USENIX Security 2025 Long Talk.
Recommended citation: Jiahao Yu, Haozheng Luo, Jerry Yao-Chieh Hu, Wenbo Guo, Yan Chen, Han Liu, Xinyu Xing. (2025). "Mind the Inconspicuous: Revealing the Hidden Weakness in Aligned LLMs’ Ethical Boundaries." USENIX Security.
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Published in International Conference on Machine Learning (ICML) 2025, 2025
Recommended citation: Zihao Wang, Yibo Jiang, Jiahao Yu, Heqing Huang. (2025). "The Illusion of Role Separation: Hidden Shortcuts in LLM Role Learning (and How to Fix Them)." ICML.
Published in Neural Information Processing Systems (NeurIPS) 2024, 2024
Featured in MIT Technology Review China.
Recommended citation: Zelei Cheng*, Xian Wu*, Jiahao Yu*, Shuo Han, Xin-Qiang Cai, Xinyu Xing. (2024). "Soft-Label Integration for Robust Toxicity Classification." NeurIPS.
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Published in USENIX Security Symposium 2024, 2024
Originally released as GPTFuzzer. Geekcon 2023 Breakthrough Award. Adopted by major LLM providers and integrated into Microsoft Azure PyRIT.
Recommended citation: Jiahao Yu, Xingwei Lin, Zheng Yu, Xinyu Xing. (2024). "LLM-Fuzzer: Scaling Assessment of Large Language Model Jailbreaks." USENIX Security.
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Published in International Conference on Machine Learning (ICML) 2024, 2024
ICML 2024 Spotlight (top 3.5%).
Recommended citation: Zelei Cheng*, Xian Wu*, Jiahao Yu*, Sabrina Yang, Gang Wang, Xinyu Xing. (2024). "RICE: Breaking Through the Training Bottlenecks of Reinforcement Learning with Explanation." ICML Spotlight.
Published in ICLR Workshop on Secure and Trustworthy Large Language Models 2024, 2024
Featured in WIRED.
Recommended citation: Jiahao Yu, Yuhang Wu, Dong Shu, Mingyu Jin, Xinyu Xing. (2024). "Assessing Prompt Injection Risks in 200+ Custom GPTs." ICLR@SeT-LLM.
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Published in ICSE Workshop on Search-Based and Fuzz Testing (SBFT) 2024, 2024
First prize at the SBFT 2024 Fuzzing Competition.
Recommended citation: Wenxuan Shi, Hongwei Li, Jiahao Yu, Wenbo Guo, Xinyu Xing. (2024). "BandFuzz: A Practical Framework for Collaborative Fuzzing with Reinforcement Learning." ICSE@SBFT.
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Published in Neural Information Processing Systems (NeurIPS) 2023, 2023
Recommended citation: Zelei Cheng*, Xian Wu*, Jiahao Yu*, Wenhai Sun, Wenbo Guo, Xinyu Xing. (2023). "StateMask: Explaining Deep Reinforcement Learning through State Mask." NeurIPS.
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Published in USENIX Security Symposium 2023, 2023
Recommended citation: Jiahao Yu, Wenbo Guo, Qi Qin, Gang Wang, Ting Wang, Xinyu Xing. (2023). "AIRS: Explanation for Deep Reinforcement Learning based Security Applications." USENIX Security.
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Published in IEEE Transactions on Information Forensics and Security (TIFS), 2026
Recommended citation: Jiahao Yu*, Yangguang Shao*, Hanwen Miao, Junzheng Shi. (2026). "PROMPTFUZZ: Harnessing Fuzzing Techniques for Robust Testing of Prompt Injection in LLMs." IEEE TIFS.
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Published in arXiv preprint arXiv:2509.12434, 2026
1st on SWE-bench Lite and 5th on SWE-bench Verified among open-weight models.
Recommended citation: Jiahao Yu, Zelei Cheng, Xian Wu, Xinyu Xing. (2026). "Building Coding Agents via Entropy-Enhanced Multi-Turn Preference Optimization." arXiv:2509.12434.
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